code: def test_auto_edgewidth(self):
      x0 = np.arange(10)
      x1 = np.arange(1000)
  
      p0 = Plot(x0, x0).add(Bars()).plot()
      p1 = Plot(x1, x1).add(Bars()).plot()
  
      lw0 = p0._figure.axes[0].collections[0].get_linewidths()
      lw1 = p1._figure.axes[0].collections[0].get_linewidths()
  
      assert (lw0 > lw1).all()
  
imports: import numpy
  import pandas
  from matplotlib.colors import to_rgba, to_rgba_array
  import pytest
  from numpy.testing import assert_array_equal
  from seaborn._core.plot import Plot
  from seaborn._marks.bar import Bar, Bars
label_desc: Use image node_id 9 for calling the TestBars obj's underlying member method code with example usage: obj.test_auto_edgewidth() without return types